﻿using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using System.Windows.Controls;
using System.Windows.Threading;

namespace USMC.Net
{
    /// <summary>
    /// Класс обёртка для вывода трейса в текстбокс WPF
    /// </summary>
    public class TextBoxTraceListener : TraceListener
    {
        private TextBox _target;
        private StringSendDelegate _invokeWrite;
        
        public TextBoxTraceListener(TextBox target)
        {
            _target = target;
            _invokeWrite = new StringSendDelegate(SendString);

        }

        public override void Write(string message)
        {
            _target.Dispatcher.Invoke(_invokeWrite, new object[] { message });
        }

        public override void WriteLine(string message)
        {
            _target.Dispatcher.Invoke(_invokeWrite, new object[] { DateTime.Now.ToShortTimeString() + " " + message + Environment.NewLine });
        }

        private delegate void StringSendDelegate(string message);
        private void SendString(string message)
        {
            // No need to lock text box as this function will only 

            // ever be executed from the UI thread

            _target.Text += message;
        }
    }
}
